The fourth part to the sixth part relates every factor which influences the quantity changes and region distribution of the population of yunnan in qing dynasty , and expounds national stucture and cultural situation of yunnan ' s population . while discussing some traditional views which are well - known , the writer puts forward some opinions of his own 第四、五、六部分:论述了影响清代云南人口数量变化和地理分布的诸因素,其中既有为大家所熟知的传统观点,也提出了个人的一些不成熟的看法。
Regard county , district unit of one grade of administrations as unit of counting , carry on land spend multi - level space - time dynamic change study , analyze 1986 - 2001 the land utilizes the quantity change all - sidedly , the land utilizes the space change of structure . through analyze article draw following meaningful conclusion while being above - mentioned : ( l ) district this one year , hit land utilize and take place the change by a large margin , and there are obvious regional differences one year . display it in the following several points concretely : land use pattern change a heavy one field , traffic land used for and cultivated land secondly most , residential area and land used for industrial and mining , utilize ground and forest land again , and water areas rate of change minimum 以县、区级行政单元为统计单元,进行了土地利用多层次时空动态变化研究,全面分析了1986 - 2001年间土地利用数量变化、土地利用结构空间变化、土地利用景观结构动态变化、土地利用程度变化、土地利用变化的区域差异等动态变化过程和土地利用变化规律,并应用数理统计和综合模糊评判方法,利用社会统计软件spss 、数学软件包mathcad9 . 0定量的建立了土地利用变化的驱动力模型和预测模型,运用预测模型对本区土地利用类型进行了预测,并针对各驱动因素的地区差异,进行了驱动力分区。